【Versatile Design】Equipped with a detachable 3.5mm audio interface receiver, this digital voice recorder is suitable for various scenarios. The secure clip-on design ensures it never falls off, firmly attaching to clothing for worry-free use. 【Advanced Noise Reduction】Featuring ENC (Environmental Noise Cancellation) technology, this Bluetooth-compatible enabled recording device ensures clear communication and high-quality audio capture in noisy environments. 【Multi-Format Support】Compatible with popular audio formats including MP3, WAV, FLAC, APE, OGG, and WMA, providing flexibility for different recording and playback needs. 【High-Quality Audio Output】Equipped with an 8-ohm 1-watt dual-magnet speaker and a maximum headphone output of 10mW+10mW (32ohm), delivering impressive sound quality with a frequency response of 20Hz to 20kHz. 【Long-lasting Battery】Enjoy up to 48 hours of continuous recording, 30 hours of usage time, and 300 hours of standby time. Quick charge feature allows for a full charge in just 2 hours, with 30 minutes of charging providing sufficient power for partial use. Specifications: Supported Music Formats: MP3, WAV, FLAC, APE Speaker: 8Ω 1W Dual-magnet Speaker Headphone Output: Max Output 10mW + 10mW (320Ω) Frequency Response: 20Hz–20kHz Signal-to-Noise Ratio: ＞80dB Distortion: 0.05% Operating Temperature: -5℃ to 40℃ Display Languages: Multi-language Supported Bluetooth-compatible Version: 5.2 Transmission Distance: Approx. 10 Meters Wireless Transmission Range: about 10 meters USB Interface: 3.5mm Display Screen: 80×160 Resolution TFT Color Screen